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AP Intermediate 1st Year Chemistry Previous Question Papers. We covered all the AP Intermediate 1st Year Chemistry Previous Question Papers in this post for free so that you can practice well for the exam.
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AP Intermediate 1st Year Chemistry Previous Objective Question Papers for Students
Which substance rapidly absorbs oxygen?
a) Alkaline pyrogallol solution
b) Concentrated H₂SO₄
c) Lime water
d) Alkaline CuSO₄ solution
Option a – Alkaline pyrogallol solution
Reaction of sugarcane with nitric Acid produces
a) CO₂ and SO₂
b) Oxalic Acid (COOH)₂
c) 2 moles of formic Acid (HCOOH)
d) No reaction
Option b – Oxalic Acid (COOH)₂
About 20 km above Earth, the ozone layer exists. Which statement about it is correct?
a) It protects us by blocking harmful UV radiation
b) Conversion of O₃ to O₂ is endothermic
c) Ozone has a linear triatomic structure
d) It is harmful because it blocks useful radiation
Option a – It protects us by blocking harmful UV radiation
Which of the following bonds has the greatest bond energy?
a) S–S
b) O–O
c) Se–Se
d) Te–Te
Option a – S–S
Oxygen can be separated from air by fractional distillation because
a) Oxygen and nitrogen belong to different groups in the Periodic Table
b) Oxygen is more reactive than nitrogen
c) Oxygen has a higher boiling point than nitrogen
d) Oxygen is less dense than nitrogen
Option c – Oxygen has a higher boiling point than nitrogen
The gases absorbed by alkaline pyrogallol and oil of cinnamon are respectively
a) O₃, CH₄
b) O₂, O₃
c) SO₂, CH₄
d) N₂O, O₃
Option b – O₂, O₃
Which of the following statements about helium is incorrect?
a) It is used in balloons instead of hydrogen because it is lighter and non-flammable
b) It serves as a cryogenic agent for low-temperature experiments
c) It helps produce and maintain strong superconducting magnets
d) It is used in gas-cooled nuclear reactors
Option a – It is used in balloons instead of hydrogen because it is lighter and non-flammable
The solubility of noble gases in water decreases in the following order
a) He > Ne > Ar > Kr > Xe
b) Xe > Kr > Ar > Ne > He
c) Ne > Ar > Kr > He > Xe
d) Ar > Ne > He > Kr > Xe
Option b – Xe > Kr > Ar > Ne > He
Oxygen reacts directly with all the following elements except
a) Phosphorus (P)
b) Chlorine (Cl)
c) Sodium (Na)
d) Sulfur (S)
Option b – Chlorine (Cl)
We covered all the ap intermediate 1st year Chemistry previous question papers above in this post for free so that you can practice well for the exam.
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Also, check out:
- Chemistry Important Questions Class 11 State Board
- Chemistry Class 9 ICSE Sample Paper
- 1st PUC Chemistry Previous Year Question Paper
